get Email Accounts From Android phone (Sweet App)

Click Here To Download Apk File

activity_my.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context=".MyActivity"
    android:id="@+id/hello"

    android:background="#00FFBB"
    >

    <Button
        android:layout_width="wrap_content"
        android:layout_height="100dp"
        android:text="Click Here TO View Email"
        android:id="@+id/find"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="102dp" />
</RelativeLayout>


AndroidManifest.xml

Take  Permission

  <uses-permission android:name="android.permission.GET_ACCOUNTS" />

Activity_my.Java

package com.example.abdullah.find_email;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.content.Context;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Patterns;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import  android.widget.Button;
import android.widget.Toast;

import java.util.regex.Pattern;

public class MyActivity extends ActionBarActivity {


    Button Find;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my);


        Find = (Button) findViewById(R.id.find);
        final Context context = this;
        Find.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                try {

                    Pattern emailPattern = Patterns.EMAIL_ADDRESS; // API level 8+
                    Account[] accounts = AccountManager.get(context).getAccounts();
                    for (Account account : accounts) {
                        if (emailPattern.matcher(account.name).matches()) {
                            String possibleEmail = account.name;
                            Toast.makeText(getApplicationContext(), possibleEmail,Toast.LENGTH_LONG).show();
                        }
                    }

                } catch (Exception e) {
                    e.printStackTrace();

                    Toast.makeText(getApplicationContext(), "Sorry  Not Administrator  Problem", Toast.LENGTH_LONG).show();

                }
            }


        });
    }
}